UNS Electric, Inc

88 East Broadway Tucson, AZ 85701

Company Summary Information

UNS Electric, Inc is ranked #1,749 out of 5,093 utilities nationwide in terms of total annual net electricity generation, and they are ranked #591 out of 1,279 utilities in terms of total annual net electricity generation from natural gas.

UNS Electric, Inc generated 35.5 GWh during the 3-month period between September 2024 to December 2024.

According to FERC EQR data, UNS Electric, Inc had a total of $4.0M in seller transasctions and $15.4M in buyer transasctions in 2025 Q2.

Company NameUNS Electric, Inc
Location88 East Broadway Tucson, AZ 85701
EIA Utility TypeInvestor-Owned Utility
EIA Utility DatesJan 2002 to Dec 2024
EIA Annual Generation 107.8 GWh
EIA Power Plants5
Fuel Types Natural Gas Solar Distillate Fuel Oil
Ranked #1,749 out of 5,093 Utilities Nationwide by Annual Generation
Ranked #591 out of 1,279 Utilities Nationwide in terms of Natural Gas Generation

FERC Seller Summary

Seller Dates AvailableJul 2013 to Sep 2025
Seller Total Transaction Charges$131.55M
Seller Total Transactions116,030
Seller 2025 Q2 Transaction Charges$3.99M
Seller 2025 Q2 Transactions3,982

FERC Buyer Summary

Buyer Dates AvailableJul 2013 to Sep 2025
Buyer Total Transaction Charges$745.11M
Buyer Total Transactions193,721
Buyer 2025 Q2 Transaction Charges$15.44M
Buyer 2025 Q2 Transactions3,206

Map of UNS Electric, Inc Locations

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Monthly Electricity Generation by Type

Monthly electricity generation by source as reported by the EIA

Monthly FERC Transaction Charges by Type

Monthly aggregates and sums are derived from FERC Electronic Quarterly Reports (EQR)

Power Plants Operated by UNS Electric, Inc

PlantLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
Black Mountain Generating StationGolden Valley, Arizona86 GWhApr 2008Dec 2024 Natural Gas
Jacobson 5 MW SolarKingman, Arizona10 GWhFeb 2017Dec 2024 Solar
La SenitaKingman, Arizona593 MWhOct 2011Dec 2024 Solar
Rio Rico SolarRio Rico, Arizona0 WhFeb 2014Nov 2023
ValenciaNogales, Arizona5 GWhJul 1989Dec 2024 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%

Other Companies Listed Alphabetically

A list of companies close to UNS Electric, Inc when arranged alphabetically. They do not neccessarily have any association with UNS Electric, Inc.

Company NameCompany LocationEIA Annual
Generation
FERC 2025 Q2
Transactions
University Of Northern IowaCedar Falls, IA22.5 GWh-
University Of Notre DameNotre Dame, IN105.2 GWh-
University Of OregonEugene, OR976.2 MWh-
University Of RedlandsRedlands, CA2.0 GWh-
University Of RochesterRochester, NY5.3 GWh-
University Of San FranciscoSan Francisco, CA5.2 GWh-
University Of TennesseeKnoxville, TN36.9 GWh-
University Of Texas At AustinAustin, TX384.4 GWh-
University Of WashingtonSeattle, WA4.1 GWh-
University Park Energy LLCUniversity Park, IL76.4 GWh$5.07M
UPC Power SolutionsChicago, IL48.1 GWh-
Upper Michigan Energy Resources CompanyMilwaukee, MI608.3 GWh$11.98M
Upper Missouri G. & T. Electric Cooperative, Inc.Sidney, MT-$440.90M
Upper Peninsula Power CompanyMarquette, MI87.5 GWh$10.89M
Upstream Wind Energy LLCAshwaubenon, WI-$1.36M
Upton County Solar 2 LLCIrving, TX425.2 GWh-
Upton Solar, LLCBoston, MA3.5 GWh-
Urban Grid SolarHouston, TX560.0 GWh-
Ursa Community SolarScottsdale, AZ8.2 GWh-
US Air ForceSagamore, MA4.6 GWh-

Top 20 Companies Associated with UNS Electric, Inc

A list of the top 20 companies associated with UNS Electric, Inc in terms of total FERC EQR transactions charges. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.

The 20 Most Recent FERC EQR Transactions

Displaying Results 1 to 20 of 309,751   ( 0.141s )
Seller NameBuyer NameProductTransaction
Group Ref #
Begin DateEnd DateTrade DateQuantityPriceUnitsTransmission
Charge
Transaction
Charge
FERC Tariff RefContract
Service
Agreement
Contract
Filing
Type
Contract
Execution
Date
Contract
Commencement
Date
Contract
Termination
Date
TimezoneBalancing
Authority
Point of
Delivery Hub
ClassTermIncrementIncrement
Peaking
Filing
Type
Broker
Exchange
Red Horse III, LLCUNS Electric, Inc.ENERGYRed Horse III - UNS 01182025-09-01 00:002025-09-30 23:592015-08-055,503.01$52.30$/MWH$0.00$287,807.30FERC Eletric Tariff No. 1Red Horse III - UNS - 002New2015-08-052016-07-012041-06-30MountainPrevailing2TEPCWinchester 345kV substationUnitPowerSaleLongTermYearlyFullPeriodNew
Tucson Electric Power CompanyUNS Electric, Inc.ENERGY2999072025-09-30 23:002025-09-30 23:592025-02-094$19.87$/MWH$0.00$79.48TEP Market-Based Rate TariffUNSE TEP WSPPNew1990-07-011990-07-01PacificPrevailing2HUBPalo VerdeFirmShortTermMonthlyFullPeriodNew
Gray Hawk Solar, LLCUNS Electric, Inc.ENERGYGRA - UNS - 1642025-09-01 00:002025-09-30 23:592015-06-2311,088.3$50.24$/MWH$0.00$557,078.05FERC Electric Tariff No. 1Gray Hawk - UNS - 001New2015-06-232018-06-132043-06-13PacificPrevailing2TEPCTEPCUnitPowerSaleLongTermYearlyFullPeriodNew
Gray Hawk Solar, LLCUNS Electric, Inc.OTHERGRA - UNS - 1652025-09-01 00:002025-09-30 23:592015-06-2311,088.3$5.00$/MWH$0.00$55,441.69FERC Electric Tariff No. 1Gray Hawk - UNS - 001New2015-06-232018-06-132043-06-13PacificPrevailing2TEPCTEPCUnitPowerSaleLongTermYearlyNotApplicableIncrementPeakingNew

UNS Electric, Inc Name and Address Permutations

Due to the nature of the data we have to make some assumptions when determining if two companies are the same. So to be transparent about how we're calculating some of the summary values, here are all the company names and addresses that were combined to create this record. While we try to make sure everything is as accurate as possible we can't guarantee complete accuracy for all records.

Company NameCompany Address
UNS Electric, Inc88 East Broadway Tucson, AZ 85701
UNS Electric, Inc.88 E. Broadway BLVD. Mailstop HQE 706 Tucson, AZ 85702
UNS Electric, Inc.88 E. Broadway BLVD. Mailstop HQW 804 Tucson, AZ 85702